MAINTAINERS and OWNERS: Update info

Move Chicago and Matt to maintertainers.
Remove Carol who is not in OpenBMC community now.

Signed-off-by: Lei YU <yulei.sh@bytedance.com>
Change-Id: I789933745abead652de330ebe288b625de75bd94
diff --git a/MAINTAINERS b/MAINTAINERS
index f7855c2..7864e69 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -43,6 +43,5 @@
 -------------------------
 
 M:  Lei Yu <mine260309@gmail.com> <LeiYU!>
-M:  Carol Wang <wangkair@cn.ibm.com> <CarolWang!>
-R:  Chicago Duan <duanzhijia01@inspur.com> <ChicagoDuan!>
-R:  Matt Spinler <spinler@us.ibm.com> <mspinler[m]!>
+M:  Chicago Duan <duanzhijia01@inspur.com> <ChicagoDuan!>
+M:  Matt Spinler <spinler@us.ibm.com> <mspinler[m]!>